#2
Iron wool
Gear:

Gibson Les Paul Custom (Ebony)
USA Jackson KV2 Sunburst
Jackson KE7
BC Rich NJ Classic Mockingbird

Marshall JVM410H
Marshall 1960A

Korg Pitchblack
MXR Super Comp
Dunlop Slash Wah
ISP Decimator
#3
metal polish such as speedy is what i use. it removes the tarnish without abrasives. google speedy metal polish.